Fix debListParser to accept "no" as a value for the Multi-Arch field
[ntk/apt.git] / cmdline / apt-mark.cc
index a5dc45a..ed34835 100644 (file)
@@ -5,17 +5,39 @@
    ##################################################################### */
                                                                        /*}}}*/
 // Include Files                                                       /*{{{*/
+#include <config.h>
+
 #include <apt-pkg/cachefile.h>
 #include <apt-pkg/cacheset.h>
 #include <apt-pkg/cmndline.h>
 #include <apt-pkg/error.h>
+#include <apt-pkg/fileutl.h>
 #include <apt-pkg/init.h>
+#include <apt-pkg/pkgsystem.h>
 #include <apt-pkg/strutl.h>
+#include <apt-pkg/cacheiterators.h>
+#include <apt-pkg/configuration.h>
+#include <apt-pkg/depcache.h>
+#include <apt-pkg/macros.h>
+#include <apt-pkg/pkgcache.h>
 
-#include <config.h>
-#include <apti18n.h>
+#include <apt-private/private-cmndline.h>
 
+#include <errno.h>
+#include <fcntl.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/wait.h>
+#include <unistd.h>
 #include <algorithm>
+#include <fstream>
+#include <iostream>
+#include <string>
+#include <vector>
+
+#include <apti18n.h>
                                                                        /*}}}*/
 using namespace std;
 
@@ -24,7 +46,7 @@ ostream c1out(0);
 ostream c2out(0);
 ofstream devnull("/dev/null");
 /* DoAuto - mark packages as automatically/manually installed          {{{*/
-bool DoAuto(CommandLine &CmdL)
+static bool DoAuto(CommandLine &CmdL)
 {
    pkgCacheFile CacheFile;
    pkgCache *Cache = CacheFile.GetPkgCache();
@@ -32,14 +54,14 @@ bool DoAuto(CommandLine &CmdL)
    if (unlikely(Cache == NULL || DepCache == NULL))
       return false;
 
-   APT::PackageSet pkgset = APT::PackageSet::FromCommandLine(CacheFile, CmdL.FileList + 1);
+   APT::PackageList pkgset = APT::PackageList::FromCommandLine(CacheFile, CmdL.FileList + 1);
    if (pkgset.empty() == true)
       return _error->Error(_("No packages found"));
 
    bool MarkAuto = strcasecmp(CmdL.FileList[0],"auto") == 0;
    int AutoMarkChanged = 0;
 
-   for (APT::PackageSet::const_iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
+   for (APT::PackageList::const_iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
    {
       if (Pkg->CurrentVer == 0)
       {
@@ -71,7 +93,7 @@ bool DoAuto(CommandLine &CmdL)
 /* DoMarkAuto - mark packages as automatically/manually installed      {{{*/
 /* Does the same as DoAuto but tries to do it exactly the same why as
    the python implementation did it so it can be a drop-in replacement */
-bool DoMarkAuto(CommandLine &CmdL)
+static bool DoMarkAuto(CommandLine &CmdL)
 {
    pkgCacheFile CacheFile;
    pkgCache *Cache = CacheFile.GetPkgCache();
@@ -79,7 +101,7 @@ bool DoMarkAuto(CommandLine &CmdL)
    if (unlikely(Cache == NULL || DepCache == NULL))
       return false;
 
-   APT::PackageSet pkgset = APT::PackageSet::FromCommandLine(CacheFile, CmdL.FileList + 1);
+   APT::PackageList pkgset = APT::PackageList::FromCommandLine(CacheFile, CmdL.FileList + 1);
    if (pkgset.empty() == true)
       return _error->Error(_("No packages found"));
 
@@ -87,7 +109,7 @@ bool DoMarkAuto(CommandLine &CmdL)
    bool const Verbose = _config->FindB("APT::MarkAuto::Verbose", false);
    int AutoMarkChanged = 0;
 
-   for (APT::PackageSet::const_iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
+   for (APT::PackageList::const_iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
    {
       if (Pkg->CurrentVer == 0 ||
          (((*DepCache)[Pkg].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto) == MarkAuto)
@@ -108,7 +130,7 @@ bool DoMarkAuto(CommandLine &CmdL)
 }
                                                                        /*}}}*/
 /* ShowAuto - show automatically installed packages (sorted)           {{{*/
-bool ShowAuto(CommandLine &CmdL)
+static bool ShowAuto(CommandLine &CmdL)
 {
    pkgCacheFile CacheFile;
    pkgCache *Cache = CacheFile.GetPkgCache();
@@ -141,6 +163,217 @@ bool ShowAuto(CommandLine &CmdL)
 
    std::sort(packages.begin(), packages.end());
 
+   for (vector<string>::const_iterator I = packages.begin(); I != packages.end(); ++I)
+      std::cout << *I << std::endl;
+
+   return true;
+}
+                                                                       /*}}}*/
+/* DoHold - mark packages as hold by dpkg                              {{{*/
+static bool DoHold(CommandLine &CmdL)
+{
+   pkgCacheFile CacheFile;
+   pkgCache *Cache = CacheFile.GetPkgCache();
+   if (unlikely(Cache == NULL))
+      return false;
+
+   // Generate the base argument list for dpkg
+   std::vector<const char *> Args;
+   string Tmp = _config->Find("Dir::Bin::dpkg","dpkg");
+   {
+      string const dpkgChrootDir = _config->FindDir("DPkg::Chroot-Directory", "/");
+      size_t dpkgChrootLen = dpkgChrootDir.length();
+      if (dpkgChrootDir != "/" && Tmp.find(dpkgChrootDir) == 0)
+      {
+        if (dpkgChrootDir[dpkgChrootLen - 1] == '/')
+           --dpkgChrootLen;
+        Tmp = Tmp.substr(dpkgChrootLen);
+      }
+   }
+   Args.push_back(Tmp.c_str());
+
+   // Stick in any custom dpkg options
+   Configuration::Item const *Opts = _config->Tree("DPkg::Options");
+   if (Opts != 0)
+   {
+      Opts = Opts->Child;
+      for (; Opts != 0; Opts = Opts->Next)
+      {
+        if (Opts->Value.empty() == true)
+           continue;
+        Args.push_back(Opts->Value.c_str());
+      }
+   }
+
+   size_t const BaseArgs = Args.size();
+   // we need to detect if we can qualify packages with the architecture or not
+   Args.push_back("--assert-multi-arch");
+   Args.push_back(NULL);
+
+
+   pid_t dpkgAssertMultiArch = ExecFork();
+   if (dpkgAssertMultiArch == 0)
+   {
+      std::string const chrootDir = _config->FindDir("DPkg::Chroot-Directory");
+      // redirect everything to the ultimate sink as we only need the exit-status
+      int const nullfd = open("/dev/null", O_RDONLY);
+      dup2(nullfd, STDIN_FILENO);
+      dup2(nullfd, STDOUT_FILENO);
+      dup2(nullfd, STDERR_FILENO);
+      if (chrootDir != "/" && chroot(chrootDir.c_str()) != 0 && chdir("/") != 0)
+        _error->WarningE("getArchitecture", "Couldn't chroot into %s for dpkg --assert-multi-arch", chrootDir.c_str());
+      execvp(Args[0], (char**) &Args[0]);
+      _error->WarningE("dpkgGo", "Can't detect if dpkg supports multi-arch!");
+      _exit(2);
+   }
+
+   APT::PackageList pkgset = APT::PackageList::FromCommandLine(CacheFile, CmdL.FileList + 1);
+   if (pkgset.empty() == true)
+      return _error->Error(_("No packages found"));
+
+   bool const MarkHold = strcasecmp(CmdL.FileList[0],"hold") == 0;
+
+   for (APT::PackageList::iterator Pkg = pkgset.begin(); Pkg != pkgset.end();)
+   {
+      if ((Pkg->SelectedState == pkgCache::State::Hold) == MarkHold)
+      {
+        if (MarkHold == true)
+           ioprintf(c1out,_("%s was already set on hold.\n"), Pkg.FullName(true).c_str());
+        else
+           ioprintf(c1out,_("%s was already not hold.\n"), Pkg.FullName(true).c_str());
+        Pkg = pkgset.erase(Pkg, true);
+      }
+      else
+        ++Pkg;
+   }
+
+   bool dpkgMultiArch = false;
+   if (dpkgAssertMultiArch > 0)
+   {
+      int Status = 0;
+      while (waitpid(dpkgAssertMultiArch, &Status, 0) != dpkgAssertMultiArch)
+      {
+        if (errno == EINTR)
+           continue;
+        _error->WarningE("dpkgGo", _("Waited for %s but it wasn't there"), "dpkg --assert-multi-arch");
+        break;
+      }
+      if (WIFEXITED(Status) == true && WEXITSTATUS(Status) == 0)
+        dpkgMultiArch = true;
+   }
+
+   if (pkgset.empty() == true)
+      return true;
+
+   if (_config->FindB("APT::Mark::Simulate", false) == true)
+   {
+      for (APT::PackageList::iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
+      {
+        if (MarkHold == false)
+           ioprintf(c1out,_("%s set on hold.\n"), Pkg.FullName(true).c_str());
+        else
+           ioprintf(c1out,_("Canceled hold on %s.\n"), Pkg.FullName(true).c_str());
+      }
+      return true;
+   }
+
+   Args.erase(Args.begin() + BaseArgs, Args.end());
+   Args.push_back("--set-selections");
+   Args.push_back(NULL);
+
+   int external[2] = {-1, -1};
+   if (pipe(external) != 0)
+      return _error->WarningE("DoHold", "Can't create IPC pipe for dpkg --set-selections");
+
+   pid_t dpkgSelection = ExecFork();
+   if (dpkgSelection == 0)
+   {
+      close(external[1]);
+      std::string const chrootDir = _config->FindDir("DPkg::Chroot-Directory");
+      if (chrootDir != "/" && chroot(chrootDir.c_str()) != 0 && chdir("/") != 0)
+        _error->WarningE("getArchitecture", "Couldn't chroot into %s for dpkg --set-selections", chrootDir.c_str());
+      int const nullfd = open("/dev/null", O_RDONLY);
+      dup2(external[0], STDIN_FILENO);
+      dup2(nullfd, STDOUT_FILENO);
+      dup2(nullfd, STDERR_FILENO);
+      execvp(Args[0], (char**) &Args[0]);
+      _error->WarningE("dpkgGo", "Can't detect if dpkg supports multi-arch!");
+      _exit(2);
+   }
+
+   FILE* dpkg = fdopen(external[1], "w");
+   for (APT::PackageList::iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
+   {
+      if (dpkgMultiArch == false)
+        fprintf(dpkg, "%s", Pkg.FullName(true).c_str());
+      else
+      {
+        if (Pkg->CurrentVer != 0)
+           fprintf(dpkg, "%s:%s", Pkg.Name(), Pkg.CurrentVer().Arch());
+        else if (Pkg.VersionList().end() == false)
+           fprintf(dpkg, "%s:%s", Pkg.Name(), Pkg.VersionList().Arch());
+        else
+           fprintf(dpkg, "%s", Pkg.FullName(false).c_str());
+      }
+
+      if (MarkHold == true)
+      {
+        fprintf(dpkg, " hold\n");
+        ioprintf(c1out,_("%s set on hold.\n"), Pkg.FullName(true).c_str());
+      }
+      else
+      {
+        fprintf(dpkg, " install\n");
+        ioprintf(c1out,_("Canceled hold on %s.\n"), Pkg.FullName(true).c_str());
+      }
+   }
+   fclose(dpkg);
+
+   if (dpkgSelection > 0)
+   {
+      int Status = 0;
+      while (waitpid(dpkgSelection, &Status, 0) != dpkgSelection)
+      {
+        if (errno == EINTR)
+           continue;
+        _error->WarningE("dpkgGo", _("Waited for %s but it wasn't there"), "dpkg --set-selection");
+        break;
+      }
+      if (WIFEXITED(Status) == true && WEXITSTATUS(Status) == 0)
+        return true;
+   }
+   return _error->Error(_("Executing dpkg failed. Are you root?"));
+}
+                                                                       /*}}}*/
+/* ShowHold - show packages set on hold in dpkg status                 {{{*/
+static bool ShowHold(CommandLine &CmdL)
+{
+   pkgCacheFile CacheFile;
+   pkgCache *Cache = CacheFile.GetPkgCache();
+   if (unlikely(Cache == NULL))
+      return false;
+
+   std::vector<string> packages;
+
+   if (CmdL.FileList[1] == 0)
+   {
+      packages.reserve(50); // how many holds are realistic? I hope just a few…
+      for (pkgCache::PkgIterator P = Cache->PkgBegin(); P.end() == false; ++P)
+        if (P->SelectedState == pkgCache::State::Hold)
+           packages.push_back(P.FullName(true));
+   }
+   else
+   {
+      APT::CacheSetHelper helper(false); // do not show errors
+      APT::PackageSet pkgset = APT::PackageSet::FromCommandLine(CacheFile, CmdL.FileList + 1, helper);
+      packages.reserve(pkgset.size());
+      for (APT::PackageSet::const_iterator P = pkgset.begin(); P != pkgset.end(); ++P)
+        if (P->SelectedState == pkgCache::State::Hold)
+           packages.push_back(P.FullName(true));
+   }
+
+   std::sort(packages.begin(), packages.end());
+
    for (vector<string>::const_iterator I = packages.begin(); I != packages.end(); ++I)
       std::cout << *I << std::endl;
 
@@ -150,20 +383,25 @@ bool ShowAuto(CommandLine &CmdL)
 // ShowHelp - Show a help screen                                       /*{{{*/
 // ---------------------------------------------------------------------
 /* */
-bool ShowHelp(CommandLine &CmdL)
+static bool ShowHelp(CommandLine &)
 {
-   ioprintf(cout,_("%s %s for %s compiled on %s %s\n"),PACKAGE,VERSION,
+   ioprintf(cout,_("%s %s for %s compiled on %s %s\n"),PACKAGE,PACKAGE_VERSION,
            COMMON_ARCH,__DATE__,__TIME__);
 
    cout <<
     _("Usage: apt-mark [options] {auto|manual} pkg1 [pkg2 ...]\n"
       "\n"
       "apt-mark is a simple command line interface for marking packages\n"
-      "as manual or automatical installed. It can also list marks.\n"
+      "as manually or automatically installed. It can also list marks.\n"
       "\n"
       "Commands:\n"
       "   auto - Mark the given packages as automatically installed\n"
       "   manual - Mark the given packages as manually installed\n"
+      "   hold - Mark a package as held back\n"
+      "   unhold - Unset a package set as held back\n"
+      "   showauto - Print the list of automatically installed packages\n"
+      "   showmanual - Print the list of manually installed packages\n"
+      "   showhold - Print the list of package on hold\n"
       "\n"
       "Options:\n"
       "  -h  This help text.\n"
@@ -180,37 +418,31 @@ bool ShowHelp(CommandLine &CmdL)
                                                                        /*}}}*/
 int main(int argc,const char *argv[])                                  /*{{{*/
 {
-   CommandLine::Args Args[] = {
-      {'h',"help","help",0},
-      {0,"version","version",0},
-      {'q',"quiet","quiet",CommandLine::IntLevel},
-      {'q',"silent","quiet",CommandLine::IntLevel},
-      {'v',"verbose","APT::MarkAuto::Verbose",0},
-      {'s',"simulate","APT::Mark::Simulate",0},
-      {'s',"just-print","APT::Mark::Simulate",0},
-      {'s',"recon","APT::Mark::Simulate",0},
-      {'s',"dry-run","APT::Mark::Simulate",0},
-      {'s',"no-act","APT::Mark::Simulate",0},
-      {'f',"file","Dir::State::extended_states",CommandLine::HasArg},
-      {'c',"config-file",0,CommandLine::ConfigFile},
-      {'o',"option",0,CommandLine::ArbItem},
-      {0,0,0,0}};
    CommandLine::Dispatch Cmds[] = {{"help",&ShowHelp},
                                   {"auto",&DoAuto},
                                   {"manual",&DoAuto},
+                                  {"hold",&DoHold},
+                                  {"unhold",&DoHold},
                                   {"showauto",&ShowAuto},
                                   {"showmanual",&ShowAuto},
+                                  {"showhold",&ShowHold},
+                                  // be nice and forgive the typo
+                                  {"showholds",&ShowHold},
+                                  // be nice and forgive it as it is technical right
+                                  {"install",&DoHold},
                                   // obsolete commands for compatibility
                                   {"markauto", &DoMarkAuto},
                                   {"unmarkauto", &DoMarkAuto},
                                    {0,0}};
 
+   std::vector<CommandLine::Args> Args = getCommandArgs("apt-mark", CommandLine::GetCommand(Cmds, argc, argv));
+
    // Set up gettext support
    setlocale(LC_ALL,"");
    textdomain(PACKAGE);
 
    // Parse the command line and initialize the package library
-   CommandLine CmdL(Args,_config);
+   CommandLine CmdL(Args.data(),_config);
    if (pkgInitConfig(*_config) == false ||
        CmdL.Parse(argc,argv) == false ||
        pkgInitSystem(*_config,_system) == false)